linux-kernel - Re: [PATCH v2 1/2] mmc: cqhci: Fix checking of CQHCI

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Message-ID: <CAPDyKFrpLoV_X0cp4ycEeEj_Vhv0+1nmQ87+QVNV-o+Z0YEgmw@mail.gmail.com>
Date: Tue, 3 Sep 2024 14:37:15 +0200
From: Ulf Hansson <ulf.hansson@...aro.org>
To: Seunghwan Baek <sh8267.baek@...sung.com>
Cc: linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org, 
	ritesh.list@...il.com, quic_asutoshd@...cinc.com, adrian.hunter@...el.com, 
	grant.jung@...sung.com, jt77.jang@...sung.com, junwoo80.lee@...sung.com, 
	dh0421.hwang@...sung.com, jangsub.yi@...sung.com, sh043.lee@...sung.com, 
	cw9316.lee@...sung.com, wkon.kim@...sung.com, stable@...r.kernel.org
Subject: Re: [PATCH v2 1/2] mmc: cqhci: Fix checking of CQHCI_HALT state

On Thu, 29 Aug 2024 at 08:18, Seunghwan Baek <sh8267.baek@...sung.com> wrote:
>
> To check if mmc cqe is in halt state, need to check set/clear of CQHCI_HALT
> bit. At this time, we need to check with &, not &&.
>
> Fixes: a4080225f51d ("mmc: cqhci: support for command queue enabled host")
> Cc: stable@...r.kernel.org
> Signed-off-by: Seunghwan Baek <sh8267.baek@...sung.com>

Applied for fixes, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/cqhci-core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/cqhci-core.c b/drivers/mmc/host/cqhci-core.c
> index c14d7251d0bb..a02da26a1efd 100644
> --- a/drivers/mmc/host/cqhci-core.c
> +++ b/drivers/mmc/host/cqhci-core.c
> @@ -617,7 +617,7 @@ static int cqhci_request(struct mmc_host *mmc, struct mmc_request *mrq)
>                 cqhci_writel(cq_host, 0, CQHCI_CTL);
>                 mmc->cqe_on = true;
>                 pr_debug("%s: cqhci: CQE on\n", mmc_hostname(mmc));
> -               if (cqhci_readl(cq_host, CQHCI_CTL) && CQHCI_HALT) {
> +               if (cqhci_readl(cq_host, CQHCI_CTL) & CQHCI_HALT) {
>                         pr_err("%s: cqhci: CQE failed to exit halt state\n",
>                                mmc_hostname(mmc));
>                 }
> --
> 2.17.1
>